HowtouseasinparisonsinEnglish如何用as表比较课件高三英语二轮复习专项

Howtouse‘as’incomparisonsinEnglish?

Objective:掌握as表比较的用法InEnglish,weuse

as

toshowhowsimilarordifferenttwopeople,things,places,orsituationsare.Althoughit’sasmallword,itisapowerfultoolthatallowsyoutocomparequalities,quantities,andhowsomethingisdone.Itisespeciallyusefultoshowthattwothingsarethesameorequalinsomeway.Forexample:

Marylovesbaking

as

much

as

Helendoes.

Marylovesbakingalot.

Helenlovesbakingalottoo.

Mary’scookiesare

as

tasty

as

Helen’s.

Mary’scookiesaretasty.Helen’scookiesaretastytoo.

Followme,andyou’llfindout…whatyoucanputbetween

as…ashowtouse

as

fordifferentdegreesofsimilarityanddifferencewhatgrammarrulessentenceswith

as

followLet’shavealook!

Howtosaythatthingsarethesameusing‘as’?

Youcanuse

as

inanumberofwaystosaythattwothingsareidentical.Thegeneralstructureofasentencewiththismeaninglookslikethis:Subjectverbas...as

objectof

comparison

Whatcancomeafterthesecond”as“astheobjectofcomparison?anounornounphrase:Mary’scaketurnsoutasgreatasherpie.anadjectiveMary’s

cake

turns

out

as

greatasusual.anadverbMary’scaketurnsoutasgreatasever.aclauseMary’scaketurnsoutasgreatasweexpected.aclauseafterthesecondasTheresultfromcapitalemployedintheproductionofanymovementofamentalnatureissometimesastremendousasthecauseitselfisabsurdlyminute.Autumnvegetables,likesquash,rootsandpulses,transformintobowls/bəʊl/offlavorthatareashealthyastheyarecolorful,offeringareminderthatplant-basedfoodisbothmulti-functionandsatisfying.subjectverbas...asobjectofcomparisonWhatcangobetweenthefirstandthesecond

as?Let’stakealook!‘as’+adjective+‘as’

Usethisstructuretosaythattwothings,people,orsituationshavethesamequalityandtothesamedegree:Maryisashard-workingasHelen.Mary’skitchenisasbigasHelen’s.

Important

Ifanadjectivehassomedependentwords,e.g.anadverboraprepositionalphrase,theygobetween

as

and

as

too:Maryis

as

goodatbaking

as

Helenis.Mary’skitchenis

as

remarkablyspotless

as

Helen’s.‘as’+adverb+‘as’

Usethisstructuretosaythattwoactionsaredonesimilarlyinsomeway:MarybakesasoftenasHelen.Marydecoratedthecakeaswonderfullyasusual.‘as’+‘much/many/little/few’+‘as’

Usethisstructuretosaythattwoamountsarethesame.Youcanaddanounafter

much

/

many

/

little

/

few

togivemoreinformation:Marybakes

as

much

as

Helendoes.Marymade

as

many

cookies

as

Helen.Maryputs

as

little

sugar

as

shecaninhercherrypies.Marysold

as

few

cakes

as

Helenyesterday.TipWithspecificamounts,

aslittleas

isasetphrasethatemphasizeshowsmallthatamountis:Marysellshercookiesfor

aslittleas

10centseach.

‘as’+adjective+noun+‘as’

Usethisstructuretosaythattwonounsarethesamekindofthingsandsharethesamequality.You

must

usethearticle

a/an

beforeasingularcountablenoun:Maryis

as

talented

a

baker

as

Helen.Mary’schocolatecakeis

as

great

a

dessert

as

herapplepie.Tip

Youmayhear

of

before

a

ineverydayspeech:I’masbad

ofa

bakerasIthoughtIwas!

Itisuncommontousepluralormassnounsinas…asstructures.Itisbettertouseothermeansofcomparison,butifyoumustuseas…as,omitthearticle:

🆗

MaryusesasfinekitchenwareasHelendoes.(odd)

✅

MaryuseskitchenwarethatisasfineasHelen’s.(morenatural)🆗

Marymakes

as

amazingweddingcakes

as

Helen.(odd)

✅

Mary’sweddingcakesareasamazingastheonesHelenmakes.(morenatural)

Amoreadvancedlookat‘as…as…’comparisons:Howtousethemtocombinesentences?

Anytimeyouuse

as…as…

tomakeacomparison,youarereallyusing

as…as…

tocombinetwosimilarsentences.Wesawsomecommonwaysthattwosentencesarecombinedabove,butthereareotherwaystodoittoo.Let’sstartwiththetwosentencesbelow:Maryishardworking.Helenishardworking.Tosayhowthesetwoideasaresimilar,youputasaroundthequalitythatisequal:MaryisashardworkingasHelenishardworking.Then,youcandroprepeatedwords.Whileyoudefinitelyneedtodrop

hardworking,youhavesomechoiceabouttherest.Themoreyoudrop,themoreinformalthesentencewillbe:Maryis

as

hardworking

as

Helenis.→

alittleformalMaryis

as

hardworking

as

Helen.→

alittleinformalLet’slookatanotherexample:Mary'scakeisgreat.WeexpectedthatMary'scakewouldbegreat.Thesecombinetoform…Mary'scakeis

as

great

asweexpectedthatMary'scakewouldbegreat.Now,let’seliminatesomerepeatedinformation:Mary'scakeis

as

great

as

weexpecteditwouldbe.→

moreformalMary'scakeis

as

great

as

weexpected.→

lessformalTherecanbesomeambiguityinmeaninginsentenceswith

as…as….

Lookatthisexample:MarylikesJohn

as

much

as

Helen.Whatdoesitmean?MarylikesJohn

as

much

as

(Marylikes)Helen.MarylikesJohn

as

much

as

Helen(likesJohn).Itis

impossibletosay

lookingatthesentencealone.Tofixtheproblem,youcanchangethesentenceinsomeway,forexample:MarylikesJohn

as

much

as

Helendoes.→

MarylikesJohnasmuchasHelen

likesJohn.MarylikesJohn

as

much

as

shelikesHelen.→

MarylikesJohnasmuchasMary

likesHelen.

Howtosaythatthingsaredifferentwith‘as’?

Tosaythattwothings,people,amounts,etc.arecompletelydifferent,allyouneedtodoistoadd

not

beforeoneofthe

as…as…

structuresdescribedabove.Thesubjectinthisstructureisalways

below

or

worsethan

theobjectofcomparison.Forexample:subjectverbnotas...asobjectofcomparisonMary

is

not

ashardworkingas

Helenis.→

Maryis

less

hardworkingthanHelen.Mary

doesn't

bake

asoftenas

Helen.→

Marybakes

less

oftenthanHelen.Mary

didn't

make

asmanycookiesas

Helen.→

Marymade

fewer

cookiesthanHelendid.Mary

isn't

astalentedabakeras

Helen.→

Maryisa

less

talentedbakerthanHelen.MostEnglishspeakerswillusenotas…asratherthancomparativeadjectivesandcomparativeadverbswithless,especiallyinspeech:Marynow

doesn’t

bake

as

much

as

sheusedto.→

commonMarynowbakes

less

thansheusedto.→

lesscommonMary’soven

isn’t

as

wide

as

Helen’s.→

commonMary’sovenis

less

widethanHelen’s.→

lesscommonHowtomodifycomparisonswith‘as’?Twothingsmaybeverysimilarorverydifferent,andtheymayalsobeanythinginbetween.Toshowthedegreeofsimilarityordifference,youcanusevariousmodifiersbeforethestructurewith

as:subjectverbmodifieras...asobjectofcomparisonSomeofthemostcommonmodifiersare:

Howtouse‘as’withanimpliedobjectofcomparison?

Usuallywecomparetwothings,thus,wenamethosethingsdirectlyandneedtosay

as

twiceinasentence.However,sometimesitisobviousfromthecontextwhatwecomparesomethingwith.Insuchsituations,wecanmakeanindirectcomparisonusingonlyone

as.Wemostoftenleaveouttheobjectofthecomparisonwhen

not

ora

modifier

comesbefore

as.Forinstance:Maryexperimentsalotwithherbaking,whileHelenisnot

as

adventurous(asMary).Maryputsonespoonofcinnamon/ˈsɪnəmən/肉桂inherapplepie.Helenputsjust

as

much(asMary).Maryhasbeenbakingfor45years.Helenisnowherenear

as

experienced(asMary).Itisalsopossibletouse

so,

that,or

such

insteadof

as

innegativesentenceswithimpliedobjectofcomparison:Maryhasbeenbakingfor45years.Helenis

not

so/that

experienced.Maryhasbeenbakingfor45years.Helenis

not

such

anexperiencedbaker.Infact,

so,

that,or

such

aremorecommonthan

as

whentheobjectofcomparisonisimplied.InmodernEnglish,

so

and

that

areoftenusedassynonymsto

very,withnocomparisonatall:Mary’scupcakesare

not

so/that

tasty.(=not

very

tasty)Whataresomecommonexpressionswith‘as’?

Weuse

as

inanumberofcommonexpressions.Firstofall,therearefiguresofspeechcalled“similes,”whichcreateavividdescriptionofsomethingbycomparingittosomethingelse.Theyareoftenusedinliterature,especiallypoetry,butsomeofthemmadetheirwayintoeverydaylanguage.Mostsimileswouldincludeeither

as

or

like

asmeansofcomparison.Thoughyoucanalwayscreateyourowncomparisons,somecomparisonsareso“classic”inEnglishthattheyhavebecomesetphrases.Forexample:ascoldasiceasblindasabatastoughasnailsasgoodasgoldasslyasafoxApartfromsimiles,therearealsosomeexpressionscommonlyusedafterthesecond

as

inasentence:astheycomeMyauntisasstubborn

astheycome.=extremelystubbornasanythingHiringmorepeopleisasimportant

asanything.=extremelyimportant

ascanbeI’mashappy

ascanbe.=extremelyhappyaspossiblePleasecomehomeASAP

(as

soon

as

possible).=assoonasyoucanasitgetsThisisthebestpr